Bosumon Remanufactured Ink Cartridge for HP 122XL 122 XL Compatible for HP 1050 2050 2050s (1 Black+ 1 Tri-Color) Before you buy ink cartridge, please check the original ink cartridge model you used, please reference that model to buy the new one. Printer can recognised them straight away Print as good as original one, and the print page are more than original. Black ink Cartridge Contents: 20 ml Yield: 400 pages; Tri-Color ink Cartridge Contents: 18 ml,Yield: 330 pages 100% satisfaction guaranteed and 1 year Warranty